Data transfer unit
CA 1057409 A · Owner: Fujitsu Limited · Inventors: Suzuki, Masao; Moriya, Kunitoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention disclosed is a data transfer system which is capable of transferring data at slow speed with respect to a central processing unit and writing or reading the data into or from a magnetic disk unit at high speed. A system is known which uses two memory units and with which reading and writing are performed alternately but the present invention requires only one memory unit. In the present invention serial data enters at on bit rate and leaves at another. Each bit of incoming data is distributed into several groups and a prescribed time delay is given to the bits of each group. The bits or each group are then assembled into a group having a bit rate different from that of the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 26, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.